дано
m(H2SO4) = 196 g
n(ZnSO4)-?
H2SO4+ZnO-->ZnSO4+H2O
M(H2SO4) = 98 g/mol
n(H2SO4) = m/M = 196 / 98 = 2 mol
n(H2SO4)= n(ZnSO4) = 2 mol
n(ZnSO4) = 2 mol
ответ 2 моль
дано
m(H2SO4) = 196 g
n(ZnSO4)-?
H2SO4+ZnO-->ZnSO4+H2O
M(H2SO4) = 98 g/mol
n(H2SO4) = m/M = 196 / 98 = 2 mol
n(H2SO4)= n(ZnSO4) = 2 mol
n(ZnSO4) = 2 mol
ответ 2 моль